Water intake open cavity drum for ornamental and fish ponds

Details Water intake open cavity drum for ornamental and fish ponds Water intake open cavity drum for ornamental and fish ponds

2007-09-25

2007-09-25

Upton, Christopher (Department: 1724)

Liquid purification or separation

Structural installation

Flume stream type

C210S170090, C405S127000

Reexamination Certificate

active

11067566

ABSTRACT:
A water intake open cavity drum for ponds, which includes a drum body with a lower portion defining a cavity and an upper portion defining a cavity in fluid communication with the lower portion cavity but having less volume than that of the lower portion. The drum includes a plurality of stabilizing feet, at least one water inlet disposed in the lower portion, a water outlet disposed from the upper portion, and a venturi interposed between the water inlet and water outlet. Filtering media is disposed in the cavity, and when a pump is applied to the water outlet, a vortex is formed in the drum body interior which rapidly circulates water throughout the filtering media before it passes out the water outlet.

REFERENCES:
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patent: 2311708 (1943-02-01), Sundholm
patent: 2957579 (1960-10-01), McCombie
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patent: 3206036 (1965-09-01), Hawley
patent: 3782552 (1974-01-01), Wendell
patent: 6949198 (2005-09-01), Reber
patent: 2005/0067833 (2005-03-01), Ball

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